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Merge pull request #2189 from llyzs/llyzs 

Support Continuous Auto-Detection.
This commit is contained in:
Martin Fleisz 2014-11-11 08:42:48 +01:00
parent b7c6e9c050 36f0281ff8
commit 53f38d3e89
3 changed files with 68 additions and 28 deletions
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3
include/freerdp/autodetect.h
View File

@ -43,7 +43,8 @@ struct rdp_autodetect
ALIGN64 UINT32 netCharBandwidth; /* 5 */
ALIGN64 UINT32 netCharBaseRTT; /* 6 */
ALIGN64 UINT32 netCharAverageRTT; /* 7 */
UINT64 paddingA[16 - 8]; /* 8 */
ALIGN64 BOOL bandwidthMeasureStarted; /* 8 */
UINT64 paddingA[16 - 9]; /* 9 */
ALIGN64 pRTTMeasureRequest RTTMeasureRequest; /* 16 */
ALIGN64 pRTTMeasureResponse RTTMeasureResponse; /* 17 */

83
libfreerdp/core/autodetect.c
View File

@ -21,10 +21,26 @@
#include "config.h"
#endif
//#define WITH_DEBUG_AUTODETECT
#include "autodetect.h"
#define RDP_RTT_REQUEST_TYPE_CONTINUOUS 0x0001
#define RDP_RTT_REQUEST_TYPE_CONNECTTIME 0x1001
#define RDP_RTT_RESPONSE_TYPE 0x0000
#define RDP_BW_START_REQUEST_TYPE_CONTINUOUS 0x0014
#define RDP_BW_START_REQUEST_TYPE_TUNNEL 0x0114
#define RDP_BW_START_REQUEST_TYPE_CONNECTTIME 0x1014
#define RDP_BW_PAYLOAD_REQUEST_TYPE 0x0002
#define RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME 0x002B
#define RDP_BW_STOP_REQUEST_TYPE_CONTINUOUS 0x0429
#define RDP_BW_STOP_REQUEST_TYPE_TUNNEL 0x0629
#define RDP_BW_RESULTS_RESPONSE_TYPE_CONNECTTIME 0x0003
#define RDP_BW_RESULTS_RESPONSE_TYPE_CONTINUOUS 0x000B
#define RDP_NETCHAR_SYNC_RESPONSE_TYPE 0x0018
typedef struct
{
UINT8 headerLength;
@ -64,12 +80,12 @@ static BOOL autodetect_send_rtt_measure_request(rdpContext* context, UINT16 sequ
static BOOL autodetect_send_continuous_rtt_measure_request(rdpContext* context, UINT16 sequenceNumber)
{
return autodetect_send_rtt_measure_request(context, sequenceNumber, 0x0001);
return autodetect_send_rtt_measure_request(context, sequenceNumber, RDP_RTT_REQUEST_TYPE_CONTINUOUS);
}
BOOL autodetect_send_connecttime_rtt_measure_request(rdpContext* context, UINT16 sequenceNumber)
{
return autodetect_send_rtt_measure_request(context, sequenceNumber, 0x1001);
return autodetect_send_rtt_measure_request(context, sequenceNumber, RDP_RTT_REQUEST_TYPE_CONNECTTIME);
}
static BOOL autodetect_send_rtt_measure_response(rdpRdp* rdp, UINT16 sequenceNumber)
@ -88,7 +104,7 @@ static BOOL autodetect_send_rtt_measure_response(rdpRdp* rdp, UINT16 sequenceNum
Stream_Write_UINT8(s, 0x06); /* headerLength (1 byte) */
Stream_Write_UINT8(s, TYPE_ID_AUTODETECT_RESPONSE); /* headerTypeId (1 byte) */
Stream_Write_UINT16(s, sequenceNumber); /* sequenceNumber (2 bytes) */
Stream_Write_UINT16(s, 0x0000); /* responseType (1 byte) */
Stream_Write_UINT16(s, RDP_RTT_RESPONSE_TYPE); /* responseType (1 byte) */
return rdp_send_message_channel_pdu(rdp, s, SEC_AUTODETECT_RSP);
}
@ -114,12 +130,12 @@ static BOOL autodetect_send_bandwidth_measure_start(rdpContext* context, UINT16
static BOOL autodetect_send_continuous_bandwidth_measure_start(rdpContext* context, UINT16 sequenceNumber)
{
return autodetect_send_bandwidth_measure_start(context, sequenceNumber, 0x0014);
return autodetect_send_bandwidth_measure_start(context, sequenceNumber, RDP_BW_START_REQUEST_TYPE_CONTINUOUS);
}
BOOL autodetect_send_connecttime_bandwidth_measure_start(rdpContext* context, UINT16 sequenceNumber)
{
return autodetect_send_bandwidth_measure_start(context, sequenceNumber, 0x1014);
return autodetect_send_bandwidth_measure_start(context, sequenceNumber, RDP_BW_START_REQUEST_TYPE_CONNECTTIME);
}
BOOL autodetect_send_bandwidth_measure_payload(rdpContext* context, UINT16 payloadLength, UINT16 sequenceNumber)
@ -140,7 +156,7 @@ BOOL autodetect_send_bandwidth_measure_payload(rdpContext* context, UINT16 paylo
Stream_Write_UINT8(s, 0x08); /* headerLength (1 byte) */
Stream_Write_UINT8(s, TYPE_ID_AUTODETECT_REQUEST); /* headerTypeId (1 byte) */
Stream_Write_UINT16(s, sequenceNumber); /* sequenceNumber (2 bytes) */
Stream_Write_UINT16(s, 0x0002); /* requestType (2 bytes) */
Stream_Write_UINT16(s, RDP_BW_PAYLOAD_REQUEST_TYPE); /* requestType (2 bytes) */
Stream_Write_UINT16(s, payloadLength); /* payloadLength (2 bytes) */
Stream_EnsureRemainingCapacity(s, payloadLength);
/* Random data (better measurement in case the line is compressed) */
@ -167,11 +183,11 @@ static BOOL autodetect_send_bandwidth_measure_stop(rdpContext* context, UINT16 p
/* 4-bytes aligned */
payloadLength &= ~3;
Stream_Write_UINT8(s, requestType == 0x002B ? 0x08 : 0x06); /* headerLength (1 byte) */
Stream_Write_UINT8(s, requestType == RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME ? 0x08 : 0x06); /* headerLength (1 byte) */
Stream_Write_UINT8(s, TYPE_ID_AUTODETECT_REQUEST); /* headerTypeId (1 byte) */
Stream_Write_UINT16(s, sequenceNumber); /* sequenceNumber (2 bytes) */
Stream_Write_UINT16(s, requestType); /* requestType (2 bytes) */
if (requestType == 0x002B)
if (requestType == RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME)
{
Stream_Write_UINT16(s, payloadLength); /* payloadLength (2 bytes) */
if (payloadLength > 0)
@ -190,12 +206,12 @@ static BOOL autodetect_send_bandwidth_measure_stop(rdpContext* context, UINT16 p
static BOOL autodetect_send_continuous_bandwidth_measure_stop(rdpContext* context, UINT16 sequenceNumber)
{
return autodetect_send_bandwidth_measure_stop(context, 0, sequenceNumber, 0x0429);
return autodetect_send_bandwidth_measure_stop(context, 0, sequenceNumber, RDP_BW_STOP_REQUEST_TYPE_CONTINUOUS);
}
BOOL autodetect_send_connecttime_bandwidth_measure_stop(rdpContext* context, UINT16 payloadLength, UINT16 sequenceNumber)
{
return autodetect_send_bandwidth_measure_stop(context, payloadLength, sequenceNumber, 0x002B);
return autodetect_send_bandwidth_measure_stop(context, payloadLength, sequenceNumber, RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME);
}
static BOOL autodetect_send_bandwidth_measure_results(rdpRdp* rdp, UINT16 responseType, UINT16 sequenceNumber)
@ -275,7 +291,7 @@ BOOL autodetect_send_netchar_sync(rdpRdp* rdp, UINT16 sequenceNumber)
Stream_Write_UINT8(s, 0x0E); /* headerLength (1 byte) */
Stream_Write_UINT8(s, TYPE_ID_AUTODETECT_RESPONSE); /* headerTypeId (1 byte) */
Stream_Write_UINT16(s, sequenceNumber); /* sequenceNumber (2 bytes) */
Stream_Write_UINT16(s, 0x0018); /* responseType (1 byte) */
Stream_Write_UINT16(s, RDP_NETCHAR_SYNC_RESPONSE_TYPE); /* responseType (1 byte) */
Stream_Write_UINT32(s, rdp->autodetect->netCharBandwidth); /* bandwidth (4 bytes) */
Stream_Write_UINT32(s, rdp->autodetect->netCharAverageRTT); /* rtt (4 bytes) */
@ -322,6 +338,12 @@ static BOOL autodetect_recv_bandwidth_measure_start(rdpRdp* rdp, wStream* s, AUT
rdp->autodetect->bandwidthMeasureStartTime = GetTickCount();
rdp->autodetect->bandwidthMeasureByteCount = 0;
/* Continuous Auto-Detection: mark the start of the measurement */
if (autodetectReqPdu->requestType == RDP_BW_START_REQUEST_TYPE_CONTINUOUS)
{
rdp->autodetect->bandwidthMeasureStarted = TRUE;
}
return TRUE;
}
@ -350,7 +372,7 @@ static BOOL autodetect_recv_bandwidth_measure_stop(rdpRdp* rdp, wStream* s, AUTO
UINT16 payloadLength;
UINT16 responseType;
if (autodetectReqPdu->requestType == 0x002B)
if (autodetectReqPdu->requestType == RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME)
{
if (autodetectReqPdu->headerLength != 0x08)
return FALSE;
@ -373,8 +395,15 @@ static BOOL autodetect_recv_bandwidth_measure_stop(rdpRdp* rdp, wStream* s, AUTO
/* Add the payload length to the bandwidth measurement parameters */
rdp->autodetect->bandwidthMeasureByteCount += payloadLength;
/* Continuous Auto-Detection: mark the stop of the measurement */
if (autodetectReqPdu->requestType == RDP_BW_STOP_REQUEST_TYPE_CONTINUOUS)
{
rdp->autodetect->bandwidthMeasureStarted = FALSE;
}
/* Send a response the server */
responseType = autodetectReqPdu->requestType == 0x002B ? 0x0003 : 0x000B;
responseType = autodetectReqPdu->requestType == RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME ?
RDP_BW_RESULTS_RESPONSE_TYPE_CONNECTTIME : RDP_BW_RESULTS_RESPONSE_TYPE_CONTINUOUS;
return autodetect_send_bandwidth_measure_results(rdp, responseType, autodetectReqPdu->sequenceNumber);
}
@ -463,27 +492,27 @@ int rdp_recv_autodetect_request_packet(rdpRdp* rdp, wStream* s)
switch (autodetectReqPdu.requestType)
{
case 0x0001:
case 0x1001:
case RDP_RTT_REQUEST_TYPE_CONTINUOUS:
case RDP_RTT_REQUEST_TYPE_CONNECTTIME:
/* RTT Measure Request (RDP_RTT_REQUEST) - MS-RDPBCGR 2.2.14.1.1 */
success = autodetect_recv_rtt_measure_request(rdp, s, &autodetectReqPdu);
break;
case 0x0014:
case 0x0114:
case 0x1014:
case RDP_BW_START_REQUEST_TYPE_CONTINUOUS:
case RDP_BW_START_REQUEST_TYPE_TUNNEL:
case RDP_BW_START_REQUEST_TYPE_CONNECTTIME:
/* Bandwidth Measure Start (RDP_BW_START) - MS-RDPBCGR 2.2.14.1.2 */
success = autodetect_recv_bandwidth_measure_start(rdp, s, &autodetectReqPdu);
break;
case 0x0002:
case RDP_BW_PAYLOAD_REQUEST_TYPE:
/* Bandwidth Measure Payload (RDP_BW_PAYLOAD) - MS-RDPBCGR 2.2.14.1.3 */
success = autodetect_recv_bandwidth_measure_payload(rdp, s, &autodetectReqPdu);
break;
case 0x002B:
case 0x0429:
case 0x0629:
case RDP_BW_STOP_REQUEST_TYPE_CONNECTTIME:
case RDP_BW_STOP_REQUEST_TYPE_CONTINUOUS:
case RDP_BW_STOP_REQUEST_TYPE_TUNNEL:
/* Bandwidth Measure Stop (RDP_BW_STOP) - MS-RDPBCGR 2.2.14.1.4 */
success = autodetect_recv_bandwidth_measure_stop(rdp, s, &autodetectReqPdu);
break;
@ -525,13 +554,13 @@ int rdp_recv_autodetect_response_packet(rdpRdp* rdp, wStream* s)
switch (autodetectRspPdu.responseType)
{
case 0x0000:
case RDP_RTT_RESPONSE_TYPE:
/* RTT Measure Response (RDP_RTT_RESPONSE) - MS-RDPBCGR 2.2.14.2.1 */
success = autodetect_recv_rtt_measure_response(rdp, s, &autodetectRspPdu);
break;
case 0x0003:
case 0x000B:
case RDP_BW_RESULTS_RESPONSE_TYPE_CONNECTTIME:
case RDP_BW_RESULTS_RESPONSE_TYPE_CONTINUOUS:
/* Bandwidth Measure Results (RDP_BW_RESULTS) - MS-RDPBCGR 2.2.14.2.2 */
success = autodetect_recv_bandwidth_measure_results(rdp, s, &autodetectRspPdu);
break;

10
libfreerdp/core/rdp.c
View File

@ -1034,6 +1034,11 @@ static int rdp_recv_tpkt_pdu(rdpRdp* rdp, wStream* s)
if (rdp->disconnect)
return 0;
if (rdp->autodetect->bandwidthMeasureStarted)
{
rdp->autodetect->bandwidthMeasureByteCount += length;
}
if (rdp->settings->DisableEncryption)
{
if (!rdp_read_security_header(s, &securityFlags))
@ -1134,6 +1139,11 @@ static int rdp_recv_fastpath_pdu(rdpRdp* rdp, wStream* s)
return -1;
}
if (rdp->autodetect->bandwidthMeasureStarted)
{
rdp->autodetect->bandwidthMeasureByteCount += length;
}
if (fastpath->encryptionFlags & FASTPATH_OUTPUT_ENCRYPTED)
{
UINT16 flags = (fastpath->encryptionFlags & FASTPATH_OUTPUT_SECURE_CHECKSUM) ? SEC_SECURE_CHECKSUM : 0;